Table 4.
Observed Age-Specific Prevalence of OAG in People of African Descent
| Source | No. Enrolled | No. of OAG Cases | Response, % | Female, % | Observed Prevalence/100 by Age, % (95% CI)
|
||||
|---|---|---|---|---|---|---|---|---|---|
| 40–49 y | 50–59 y | 60–69 y | 70–79 y | ≥80 y | |||||
| Tema Eye Survey, 2006–2008 | 5603 | 342 | 82 | 60.3 | 3.4 (2.7–4.1) | 5.7 (4.6–6.9) | 10.8 (8.8–13.0) | 12.9 (9.7–16.6) | 13.3 (8.3–19.8) |
| St Lucia,4 1986–1987 | 1300 | 147 | 87 | 66.5 | 7.3 (4.8–10.6) | 8.7 (5.8–12.7) | 15.2 (11.3–20.0) | 9.5 (6.3–13.9)a | 9.5 (6.3–13.9)a |
| Barbados (black and mixed),5 1988–1992 | 4498 | 308 | 84 | 57.1 | 1.4 (0.8–2.2) | 4.1 (3.0–5.4) | 6.7 (5.3–8.4) | 14.8 (12.5–17.4) | 23.2 (17.9–29.3) |
| Baltimore Eye Survey,3 1985–1988 | 2395 | 100 | 84 | 62.5b | 1.0 (0.4–2.1) | 3.6 (2.3–5.3) | 5.1 (3.4–7.2) | 7.7 (4.9–10.5) | 10.9 (4.8–17.0) |
| East Africa,20 1996 | 3268 | 100 | 90 | 55.4 | 1.7 (1.1–2.5) | 3.2 (2.2–4.5) | 4.7 (3.1–7.0) | 5.6 (3.1–9.2) | 4.4 (1.2–11.3) |
| South Africa, urban,21 1998 | 839 | 31 | 75 | 66.6 | 0.6 | 2.4 | 4.2 | 6.0 | 10.7 |
| South Africa, Rural,22 1998–1999 | 1005 | 28 | 90 | 72.1 | 1.2 (0.2–3.4) | 1.9 (0.6–4.3) | 2.8 (1.1–5.8) | 4.9 (2.2–9.3) | 7.7 (2.1–19.7) |
Abbreviation: OAG, open-angle glaucoma.
a
Prevalence was not reported separately for ages 70 to 79 and 80 years and older but for age 70 years and older.
b
David S. Friedman, MD, PhD, and J.M.T., The Johns Hopkins Bloomberg School of Public Health, written communication, June 23, 2011.